* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef FFMPEG_AVFILTER_GRAPH_H
-#define FFMPEG_AVFILTER_GRAPH_H
+#ifndef FFMPEG_AVFILTERGRAPH_H
+#define FFMPEG_AVFILTERGRAPH_H
#include "avfilter.h"
+typedef struct AVFilterGraph {
+ unsigned filter_count;
+ AVFilterContext **filters;
+} AVFilterGraph;
+
+/**
+ * Get a pointer to a graph by instance name
+ */
+AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name);
+
/**
* Add an existing filter instance to a filter graph.
* @param graph The filter graph
* @param filter The filter to be added
*/
-void avfilter_graph_add_filter(AVFilterContext *graphctx, AVFilterContext *filter);
+int avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
+
+/**
+ * Configure the formats of all the links in the graph.
+ */
+int avfilter_graph_config_formats(AVFilterGraph *graphctx);
+
+/**
+ * Free a graph and destroy its links.
+ */
+void avfilter_destroy_graph(AVFilterGraph *graph);
-#endif /* FFMPEG_AVFILTER_H */
+#endif /* FFMPEG_AVFILTERGRAPH_H */